LaTeX bib 引用为 作者 + 年份

将bib文件命名为ref.bib

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 %%%%%%%% @Description:
 %%%%%%%% @Version: 1.0
 %%%%%%%% @Author: RankFan
 %%%%%%%% @Date: 2021-05-30 22:08:12
 %%%%%%%% @LastEditors: RankFan
 %%%%%%%% @LastEditTime: 2021-05-31 08:44:41
 %%%%%%%% @Email: 1917703489@qq.com
 %%%%%%%% @Copyright (C) 2021 RankFan. All rights reserved.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\documentclass{article}
\usepackage{natbib}
\setcitestyle{authoryear,round}

\usepackage[UTF8,hyperref]{ctex}
\usepackage[left=2cm,right=2cm,top=2.5cm,bottom=3cm]{geometry} % 页面边距

\hypersetup{ colorlinks,citecolor=blue,linkcolor=blue,urlcolor=red,
			bookmarks, bookmarksnumbered,
			unicode = true }

\title{Midas Model}
\author{RankFan}

\begin{document}

\maketitle
\section{Model}
\cite{郑挺国2013中国经济周期的混频数据测度及实时分析}

\bibliographystyle{plainnat}
\bibliography{ref}  

\end{document}

Visual Studio Code (vscode)配置LaTeX - Ali-loner的文章：https://zhuanlan.zhihu.com/p/166523064